Valid Names Results

Nomenclatural History

Remarks

General Remarks: Definition and characters by Takagi (1984) and by Williams & Watson (1988).

Systematics: Takagi (1984) and Williams & Watson (1988) noted the remarkable morphological variation among the five species currently placed in this genus. Character variation was remarked in size and shape of lateral lobes, number of lobes, presence or absence of perivulvar pores, and position of the anus.